Drive ring



Nov. 19, 1929,

E. s12 JOHN DRIVE iime Filed Dec. 5, 1924 INVENTOR ESQ/M10 BY ATTORNEY Patented Nov. 19, 1929 EVERETT ST. JOHN, OF BROOKLYN, NEW YORK, .ASSIGNOR T0 AMERICAN TELEPHONE AND TELEGRAPH COMPANY, A CORPORATION OF NEW YORK DRIVE RING Application filed December 5, 1924. Serial No. 754,169.

This invention relates to drive rings, and more particularly to devices of this character which may be made from a single piece of wire in such manner that they can be 5 readily driven into a supporting wall without damage to the rings during the driving opera tion.

' The invention further relates to certain improvements in construction, which will be 19 apparent from the following description,

nating in points which may be driven into a supporting wall in the same manner as a nail. The upper portions of the devices extend from the shanks in the form of rings, as will presently appear. The rings may be made from steel wire which is suitably galvanized and the upper ends of the rings should be free from sharp points so that when wires are jured.

In Figs. 1 and 2, the shank 5 at its upper portion is bent back upon itself in such manner as to form an open loop 6 between the shank 5 and the downwardly extending portion 7. hen thus formed the portion 7 will be separated at its upper end from the shank 5, and a spiral ring portion 8 is then turned in aplane parallel with the axis of the shank portion so as to assume a substantially rectanular form. The upper rounded extremities of the shank 5 and ring 8 are in the same horizontal plane, and separated from each other so as to permit suflicient space for hammer blows to be dealt the rounded head of shank 5 to drive the ring into a supporting placed therein their covering will not be inend 9 of the ring extends downwardly in the same direction as the shank 5, and through the open end of of this ring wires may-be peadily inserted within the rectangular porion.

In Figs. 3 and 4:, the shank 5 is shown as having a loop portion 12 provided about its upper part in a manner similar to that indi cated in connection with the loop 6 provided in Figs. 1 and 2. This portion is bent back upon itself and forms a shoulder 13 from which an angular end portion 14 extends downwardly in a parallel plane to the shank 5. The ring indicated in Fig. 3 and Fig. 4 is driven into .a supporting wall a suflicient distance to retain the wires between the wall and the shoulder 18, but not too far to prevent their insertion between the end portion 1a and the surface upon which the ring is mounted. V

lVhat is claimed is: V 7

A drive ring comprising a shankportion, a loop portion bent backupon the shank porr tion, and an angular shoulder extending from the loop portion at right. angles to the shank portion and lying in a plane beneath the top of the loop portion to avoid interference of the application of a hammer to the loop'portion in the-driving operation of the ring, the

'end of said shoulder extending downwardly 9 parallel 'to the shank portion and so cozoperating withthe. supporting surface into which the shank maybe driven to permit the insertion of wires into the enclosure formed o by said surface and the shank and angular. 35

portions of the ring, and said shank and an Y gular' portions serving toretain the wires withinsuch enclosure. In testimony whereof, I have signed my I surface without interfering with the rounded top provided on the member 8. The shank may be thus driven without bending or crack- 50 ing' in the same manner as a wire nail. The

name to this specification this ith-day of December,1924. j

' 'EVERETT ST. J 

